Rapid synthesis of highly monodisperse AgSbS₂ nanocrystals: unveiling multifaceted activities in cancer therapy, antibacterial strategies, and antioxidant defense

• Funda Ulusu,
• Adem Sarilmaz,
• Yakup Ulusu,
• Faruk Ozel and
• Mahmut Kus

Beilstein J. Nanotechnol. 2025, 16, 2105–2115, doi:10.3762/bjnano.16.145

• addition, a weak peak centered around 1315 cm−1 corresponds to the C–H bending mode [36]. The characteristic peak around 1640 cm−1 was assigned to the O–H bending vibration, while the bands appearing in the 2800–3000 cm−1 range were attributed to the symmetric and asymmetric stretching vibrations of CH–H

Multifrequency AFM integrating PeakForce tapping and higher eigenmodes for heterogeneous surface characterization

• Yanping Wei,
• Jiafeng Shen,
• Yirong Yao,
• Xuke Li,
• Ming Li and
• Peiling Ke

Beilstein J. Nanotechnol. 2025, 16, 2077–2085, doi:10.3762/bjnano.16.142

• mappings obtained via the PeakForce tapping method. Furthermore, the technique’s dual capability, that is, quantitative mechanics via quasi-static force curves and qualitative material-sensitive information via eigenmode vibration signals, facilitates effective compositional differentiation in

• the measurement points can be calculated using the contact mechanics models [18][22]. (ii) Concurrently, the piezoelectric actuator PD-II excites the probe at its higher eigenmode, inducing a minor vibration with an amplitude generally beneath 1 nm. This high-eigenmode oscillation amplitude remains

• record its thermal vibration power spectral density. A fit to the fundamental resonance peak, based on the equipartition theorem, yielded the spring constant. Characterization of higher eigenmodes The resonant frequencies of the higher eigenmodes were characterized by performing a frequency sweep using

Stereodiscrimination of guests in chiral organosilica aerogels studied by ESR spectroscopy

• Sebastian Polarz,
• Yasar Krysiak,
• Martin Wessig and
• Florian Kuhlmann

Beilstein J. Nanotechnol. 2025, 16, 2034–2054, doi:10.3762/bjnano.16.140

• Bruker Tensor with an ATR unit. All spectra were background-corrected and normalized to the Si–O–Si vibration. N2 physisorption measurements were performed with a Micromeritics Tristar 3020 at −196 °C. Prior to analysis, the samples were degassed at 60 °C for 12 h. Solid-state NMR spectra were recorded

Beyond the shell: exploring polymer–lipid interfaces in core–shell nanofibers to carry hyaluronic acid and β-caryophyllene

• Aline Tavares da Silva Barreto,
• Francisco Alexandrino-Júnior,
• Bráulio Soares Arcanjo,
• Paulo Henrique de Souza Picciani and
• Kattya Gyselle de Holanda e Silva

Beilstein J. Nanotechnol. 2025, 16, 2015–2033, doi:10.3762/bjnano.16.139

• -PLA, NF-HA/PLA, and NF-HA+NE2/PLA) exhibited PLA-specific bands at 2995, 2946, 1759, and 1089 cm−1, corresponding to the asymmetric stretching vibration of –CH3, symmetric stretching of –CH3, and stretching vibrations of C=O and C–O, respectively [62]. The HA powder spectrum displayed bands at 3300

Low-temperature AFM with a microwave cavity optomechanical transducer

• Ermes Scarano,
• Elisabet K. Arvidsson,
• August K. Roos,
• Erik Holmgren,
• Riccardo Borgani,
• Mats O. Tholén and
• David B. Haviland

Beilstein J. Nanotechnol. 2025, 16, 1873–1882, doi:10.3762/bjnano.16.130

• can therefore be made light and compact, significantly reducing their susceptibility to external vibrations, the complexity of vibration isolation, and their thermal mass. For this prototype, we implement a rather simple vibration isolation which, as we will show, is sufficient to demonstrate imaging

Laser processing in liquids: insights into nanocolloid generation and thin film integration for energy, photonic, and sensing applications

• Akshana Parameswaran Sreekala,
• Pooja Raveendran Nair,
• Jithin Kundalam Kadavath,
• Bindu Krishnan,
• David Avellaneda Avellaneda,
• M. R. Anantharaman and
• Sadasivan Shaji

Beilstein J. Nanotechnol. 2025, 16, 1428–1498, doi:10.3762/bjnano.16.104

• achievable for conventional drop casting, making it less suitable for precision coating or device fabrication [121][122]. However, Eslamian et al. have reported substrate vibration-assisted drop casting, where drop casting combined with ultrasonic substrate vibration offers enhanced controllability. A small

• volume of precursor solution, characterized by low surface tension, is released from a capillary tube either by dripping with negligible initial velocity or by injection with an initial velocity. The droplet is then directed toward the substrate, where the ultrasonic vibration aids in controlling the

Photochemical synthesis of silver nanoprisms via green LED irradiation and evaluation of SERS activity

• Tuan Anh Mai-Ngoc,
• Nhi Kieu Vo,
• Cong Danh Nguyen,
• Thi Kim Xuan Nguyen and
• Thanh Sinh Do

Beilstein J. Nanotechnol. 2025, 16, 1417–1427, doi:10.3762/bjnano.16.103

• (Figure 7a) displays two dominant peaks at 1088 and 1596 cm−1, corresponding to the stretching vibrations of the aromatic ring. Weaker peaks are observed at 1182 and 1292 cm−1, attributed to C–H stretching, and at 805 cm−1, corresponding to the bending vibration of the carboxylate group (COO−) [20][21

Piezoelectricity of hexagonal boron nitrides improves bone tissue generation as tested on osteoblasts

• Sevin Adiguzel,
• Nilay Cicek,
• Zehra Cobandede,
• Feray B. Misirlioglu,
• Hulya Yilmaz and
• Mustafa Culha

Beilstein J. Nanotechnol. 2025, 16, 1068–1081, doi:10.3762/bjnano.16.78

• morphology with varying sizes between 50–100 nm, consistent with the literature [42]. Three characteristic peaks of hBNs on the FTIR spectrum in Supporting Information File 1, Figure S3 (c) appeared at 1363, 785, and 661 cm−1, attributed to the in-plane B–N stretching vibration, B–N bonding, and B–N–B out-of

• -plane bending vibration, respectively [43]. The broad band at 3200 cm−1 could be attributed to stretching vibrations of hydroxyl groups (O–H) of hBNs or humidity. Supporting Information File 1, Figure S3 (d) displays the Raman spectrum of hBNs, which reveals a dominant peak at 1367 cm−1, in line with

• attributed to OH-stretching and OH-deformation vibrations due to moisture content, respectively [51]. The Raman spectrum, displayed in Supporting Information File 1, Figure S4 (b), revealed the presence of Raman active vibration modes of BaTiO3 in its tetragonal phase, indicating its polycrystalline nature

Shape, membrane morphology, and morphodynamic response of metabolically active human mitochondria revealed by scanning ion conductance microscopy

• Eric Lieberwirth,
• Anja Schaeper,
• Regina Lange,
• Ingo Barke,
• Simone Baltrusch and
• Sylvia Speller

Beilstein J. Nanotechnol. 2025, 16, 951–967, doi:10.3762/bjnano.16.73

• metabolically driven vibration modes [47], ferroelectricity [48], resonant ionic conductance, and memristive behaviour [49]. Mitochondrial morphodynamics respond to the proximity and orientation of microtubules. Non-spherical mitochondria near microtubules align their long axes with those of the microtubules

Heat-induced transformation of nickel-coated polycrystalline diamond film studied in situ by XPS and NEXAFS

• Olga V. Sedelnikova,
• Yuliya V. Fedoseeva,
• Dmitriy V. Gorodetskiy,
• Yuri N. Palyanov,
• Elena V. Shlyakhova,
• Eugene A. Maksimovskiy,
• Anna A. Makarova,
• Lyubov G. Bulusheva and
• Aleksandr V. Okotrub

Beilstein J. Nanotechnol. 2025, 16, 887–898, doi:10.3762/bjnano.16.67

• D and 2D bands. The D band represents the disordered vibration modes of graphitic hexagonal layers, and the 2D band originates from the second-order double-resonant scattering process. In general, the quality of graphene layers can be evaluated by the ratio of the intensities of the D and G peaks

Supramolecular hydration structure of graphene-based hydrogels: density functional theory, green chemistry and interface application

• Hon Nhien Le,
• Duy Khanh Nguyen,
• Minh Triet Dang,
• Huyen Trinh Nguyen,
• Thi Bang Tam Dao,
• Trung Do Nguyen,
• Chi Nhan Ha Thuc and
• Van Hieu Le

Beilstein J. Nanotechnol. 2025, 16, 806–822, doi:10.3762/bjnano.16.61

• of GO and SG nanomaterials had amorphous structures which did not give obvious peaks in the XRD pattern. Regarding the FTIR spectrum in Figure 6b, most of obvious peaks are attributed to functional groups of nanosilica. The vibration band at 3772.1 cm−1 is assigned to silanol groups on the nanosilica

• cm−1 is attributed to the bending vibration of Zn-O-Si bonds in the GO-SG-ZH nanocomposite [44]. Supramolecular systems with non-covalent interactions and reversible cross-links are recognized to provide extraordinary properties and applications [45][46][47]. Reversible self-assembly is an advantage

Changes of structural, magnetic and spectroscopic properties of microencapsulated iron sucrose nanoparticles in saline

• Sabina Lewińska,
• Pavlo Aleshkevych,
• Roman Minikayev,
• Anna Bajorek,
• Mateusz Dulski,
• Krystian Prusik,
• Tomasz Wojciechowski and
• Anna Ślawska-Waniewska

Beilstein J. Nanotechnol. 2025, 16, 762–784, doi:10.3762/bjnano.16.59

• , FS0-related bands associated with COO− stretching modes were separated into asymmetric (1588 cm−1) and symmetric (1451 cm−1) stretching, C–O stretching vibration (1345 cm−1), and glycosidic ring breathing mode (1133 cm−1) [65]. After immersion in physiological salt (NaCl) solution, these bands were

• upshifted while the full width at half maximum simultaneously increased by approx. 5 cm−1 (Figure 10). Conversely, the Raman spectrum of FST featured asymmetric and symmetric COO−-related bands (1598, 1480 cm−1), C–O stretching vibration (1363 cm−1), and glycosidic ring breathing mode (1196 cm−1) [65]. One

Synthesis of a multicomponent cellulose-based adsorbent for tetracycline removal from aquaculture water

• Uyen Bao Tran,
• Ngoc Thanh Vo-Tran,
• Khai The Truong,
• Dat Anh Nguyen,
• Quang Nhat Tran,
• Huu-Quang Nguyen,
• Jaebeom Lee and
• Hai Son Truong-Lam

Beilstein J. Nanotechnol. 2025, 16, 728–739, doi:10.3762/bjnano.16.56

• characteristic of cellulose. These results are consistent with previous findings on commercial CMC [23][24]. Owing to lateral bonding, the characteristic peaks of CMC remain observable but exhibit shifts. For example, the alkyl group vibration peak shifts to 1424 cm−1, while the C‒O‒C stretching vibration peaks

• shift to 883 and 1105 cm−1. Meanwhile, the hydroxy group vibration peak becomes broader and less intense, shifting to the 3240‒3386 cm−1 region, suggesting the involvement of ‒OH groups in cross-linking. The intensity of the peak at 1325 cm−1 decreases significantly, while the peak at 1620 cm−1

The impact of tris(pentafluorophenyl)borane hole transport layer doping on interfacial charge extraction and recombination

• Konstantinos Bidinakis and
• Stefan A. L. Weber

Beilstein J. Nanotechnol. 2025, 16, 678–689, doi:10.3762/bjnano.16.52

• , we employed heterodyne-KPFM [55], whereby we mechanically excited the cantilever at its first resonant frequency, f1, and electrically excited at a frequency of (f2–f1), where f2 is the second resonant frequency [56]. Frequency mixing between the mechanical vibration at f1 and the electrostatic force

Colloidal few layered graphene–tannic acid preserves the biocompatibility of periodontal ligament cells

• Teissir Ben Ammar,
• Naji Kharouf,
• Dominique Vautier,
• Housseinou Ba,
• Nivedita Sudheer,
• Philippe Lavalle and
• Vincent Ball

Beilstein J. Nanotechnol. 2025, 16, 664–677, doi:10.3762/bjnano.16.51

• S1B, Supporting Information File 1) shows that they are spherical and that they remodel into clusters on the surface. Raman spectra recorded for the initial graphite and the synthesized FLG–TA exhibits typical D, G, and 2D vibration bands centered at 1355, 1583, and 2720 cm−1, respectively. It is

Quantification of lead through rod-shaped silver-doped zinc oxide nanoparticles using an electrochemical approach

• Ravinder Lamba,
• Gaurav Bhanjana,
• Neeraj Dilbaghi,
• Vivek Gupta and
• Sandeep Kumar

Beilstein J. Nanotechnol. 2025, 16, 422–434, doi:10.3762/bjnano.16.33

• 2854 cm−1 relate to the stretching vibration of carbon and hydrogen bonds. The peaks at 1030 and 1380 cm−1 are related to vibrational or in-plane bending of residual ethanol which was used for washing the nanoparticles and KBr pellet die set (used for pellet making for FTIR) [18][19]. Optical study of

ReactorAFM/STM – dynamic reactions on surfaces at elevated temperature and atmospheric pressure

• Tycho Roorda,
• Hamed Achour,
• Matthijs A. van Spronsen,
• Marta E. Cañas-Ventura,
• Sander B. Roobol,
• Willem Onderwaater,
• Mirthe Bergman,
• Peter van der Tuijn,
• Gertjan van Baarle,
• Johan W. Bakker,
• Joost W. M. Frenken and
• Irene M. N. Groot

Beilstein J. Nanotechnol. 2025, 16, 397–406, doi:10.3762/bjnano.16.30

• damping for vibration isolation. The sample holder (highlighted in blue in Figure 2a is inserted by locking the spring mechanism with the locking bellow and then fixed to the microscope by inflating the “reactor” bellow. The substrate can be heated from behind by electron bombardment using a tungsten

• tip displacement and vibration modes that might occur for tip heights longer than 400 μm [22]. A Pt/Ir tip is chosen such that it does not oxidize in reaction conditions. Electronics and data acquisition The tunneling current is collected using a preamplifier (DLPCA-200 preamp, Femto Messtechnik GmbH

• assembly with vibration isolation, mounted on a CF-200 flange. Figure 2a was reproduced from [11], © 2014 C. T. Herbschieb et al., published by AIP Publishing, distributed under the terms of the Creative Commons Attribution 3.0 Generic License, https://creativecommons.org/licenses/by/3.0). (b) Detailed

Engineered PEG–PCL nanoparticles enable sensitive and selective detection of sodium dodecyl sulfate: a qualitative and quantitative analysis

• Soni Prajapati and
• Ranjana Singh

Beilstein J. Nanotechnol. 2025, 16, 385–396, doi:10.3762/bjnano.16.29

• PCL segments. The absorption band at 1628 cm−1 represents the characteristic C=O stretching vibration of the ester groups in PCL blocks. The peak at 1510 cm−1 can be assigned to the C–H bending vibrations of the methylene groups. The peaks at 1336 and 1273 cm−1 correspond to the C–O and C–C stretching

Graphene oxide–chloroquine conjugate induces DNA damage in A549 lung cancer cells through autophagy modulation

• Braham Dutt Arya,
• Sandeep Mittal,
• Prachi Joshi,
• Alok Kumar Pandey,
• Jaime E. Ramirez-Vick,
• Govind Gupta and
• Surinder P. Singh

Beilstein J. Nanotechnol. 2025, 16, 316–332, doi:10.3762/bjnano.16.24

• , respectively. The presence of a broad peak around 3200–3400 cm−1 and other characteristic bands around 1720 cm−1, 1620 cm−1, 1150 cm−1, and 1050 cm−1 for GO, correspond to the stretching vibration of –OH, C=O, C=C, C–OH, and C(O)C bonds, respectively [26][43]. The appearance of a peak around 2980 cm−1 in both

Radiosensitizing properties of dual-functionalized carbon nanostructures loaded with temozolomide

• Radmila Milenkovska,
• Nikola Geskovski,
• Dushko Shalabalija,
• Ljubica Mihailova,
• Petre Makreski,
• Dushko Lukarski,
• Igor Stojkovski,
• Maja Simonoska Crcarevska and
• Kristina Mladenovska

Beilstein J. Nanotechnol. 2025, 16, 229–251, doi:10.3762/bjnano.16.18

• of the CNTs; the bands from the Raman modes that result from the vibration of all carbon atoms in the CNTs; and the 2D band occurring between 2600 and 2800 cm−1, which is sensitive to the number of graphene layers and their arrangement. The intensity ratio between the D and the G band was analyzed

Recent advances in photothermal nanomaterials for ophthalmic applications

• Jiayuan Zhuang,
• Linhui Jia,
• Chenghao Li,
• Rui Yang,
• Jiapeng Wang,
• Wen-an Wang,
• Heng Zhou and
• Xiangxia Luo

Beilstein J. Nanotechnol. 2025, 16, 195–215, doi:10.3762/bjnano.16.16

• categorized into three distinct types based on their different photothermal conversion mechanisms, which arise from their unique electronic structures [23][24]. The types include metals exhibiting localized surface plasmon resonance (LSPR), carbon and polymer materials undergoing molecular thermal vibration

• biological tissues, thereby minimizing photothermal damage to non-pathological areas [54]. 2.2 Carbon and polymer materials Carbon and polymer materials primarily undergo photothermal conversion through a mechanism known as molecular thermal vibration. This process is initiated when the energy of incident

• ) Carbon/polymer materials: These materials undergo photothermal conversion via molecular thermal vibration, displaying full-spectrum absorption [55][56][57][58][59][60][65][66]. This broad absorption range reduces the energy and diversity requirements for therapeutic light sources, enhancing the

A nanocarrier containing carboxylic and histamine groups with dual action: acetylcholine hydrolysis and antidote atropine delivery

• Elina E. Mansurova,
• Andrey A. Maslennikov,
• Anna P. Lyubina,
• Alexandra D. Voloshina,
• Irek R. Nizameev,
• Marsil K. Kadirov,
• Anzhela A. Mikhailova,
• Polina V. Mikshina,
• Albina Y. Ziganshina and
• Igor S. Antipin

Beilstein J. Nanotechnol. 2025, 16, 11–24, doi:10.3762/bjnano.16.2

• vibration bands at 2700–3000 cm−1. A vibration of C=O is fixed at 1744 cm−1. Stretching of C–C in aromatic rings is evident at 1610 and 1501 cm−1. The p(Hist-RA) IR spectrum also exhibits boronate bond stretching bands at 1066 and 543 cm−1, which are not present in the Hist-RA and CA-RA spectra (Figure 2

Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol

• Akash Kumar,
• Ridhima Chadha,
• Abhishek Das,
• Nandita Maiti and
• Rayavarapu Raja Gopal

Beilstein J. Nanotechnol. 2024, 15, 1576–1592, doi:10.3762/bjnano.15.124

• NH bend, imz ring breathing, imz ring C–N stretching, CH2 twist, CH2 rock, imz ring deformation, C–CO2 stretching, and NH2 wagging, respectively. The symmetric CO2 stretching vibration in ʟ-carnosine at normal (alkaline) pH appears weakly at 1388 (1391) cm−1. The observed shift in the Raman bands of

Various CVD-grown ZnO nanostructures for nanodevices and interdisciplinary applications

• The-Long Phan,
• Le Viet Cuong,
• Vu Dinh Lam and
• Ngoc Toan Dang

Beilstein J. Nanotechnol. 2024, 15, 1390–1399, doi:10.3762/bjnano.15.112

• include vibration modes centred at approx. 331, 380, 409, 437, and 582 cm−1. They are known as characteristic modes of the P63mc hexagonal structure of ZnO [17][62]. It has been assigned the strongest mode at ≈437 cm−1 to E2(L) while the others 331, 380, 409, and 582 cm−1 are in turn associated with E2(H

• analysis for characteristic vibration modes proved that the collected ZnO nanostructures are single phase in the P63mc hexagonal structure. The study of characteristic PL spectra revealed that the fabricated samples could be classified into two groups with different crystal qualities. The first one with a

Hymenoptera and biomimetic surfaces: insights and innovations

• Vinicius Marques Lopez,
• Carlo Polidori and
• Rhainer Guillermo Ferreira

Beilstein J. Nanotechnol. 2024, 15, 1333–1352, doi:10.3762/bjnano.15.107

• for the advancement of sophisticated acoustic and vibration technologies. In nature, this acoustic strategy is likely employed for alarm signaling, sexual behavior, and as a versatile communication channel among eusocial insects (i.e., ants) [175][176][177][178]. By studying and mimicking these

• signals in other individuals [178]. Moreover, the precise control over vibration frequencies observed in stridulation can inspire advancements in industrial applications where vibration control is essential. This includes machinery that operates more quietly and efficiently, reducing noise pollution and